- Marasmius acicularis
- Marasmius actinopus
- Marasmius adisianus
- Marasmius aequatorialis
- Marasmius africanus
- Marasmius alachuanus
- Marasmius albertianus
- Marasmius albidomurinus
- Marasmius albidus
- Marasmius albinanus
- Marasmius albofarinaceus
- Marasmius albogriseus
- Marasmius alliarius
- Marasmius allocystis
- Marasmius amazonicus
- Marasmius amygdalosporus
- Marasmius anomalus
- Marasmius apatelius
- Marasmius apogonus
- Marasmius araucariae
- Marasmius arborescens
- Marasmius arimana
- Marasmius aripoensis
- Marasmius asemiformis
- Marasmius aspilocephalus
- Marasmius ater
- Marasmius atlanticus
- Marasmius atroincrustatus
- Marasmius atropurpureus
- Marasmius atrorubens
- Marasmius aurantiacus
- Marasmius aurantioferrugineus
- Marasmius aztecus
- Marasmius badiceps
- Marasmius badius
- Marasmius baeocephalus
- Marasmius bahamensis
- Marasmius balansae
- Marasmius bambusae
- Marasmius bambusiniformis
- Marasmius bambusinus
- Marasmius baumannii
- Marasmius bellipes
- Marasmius bellus
- Marasmius beniensis
- Marasmius berteroi
- Marasmius bezerrae
- Marasmius bipindeensis
- Marasmius bizerrae
- Marasmius borealis
- Marasmius brachysporus
- Marasmius bromeliacearum
- Marasmius brunneocinctus
- Marasmius buchwaldii
- Marasmius bulliardii
- Marasmius buxi
- Marasmius buzae
- Marasmius caespitosus
- Marasmius calhouniae
- Marasmius caliensis
- Marasmius calobates
- Marasmius calopodioides
- Marasmius calopus
- Marasmius campanulatus
- Marasmius capillaris
- Marasmius carminis
- Marasmius carpenterianus
- Marasmius caryotae
- Marasmius castaneovelutinus
- Marasmius castaneus
- Marasmius castanicolor
- Marasmius castellanoi
- Marasmius catervatus
- Marasmius cecropiae
- Marasmius celtibericus
- Marasmius cenospilus
- Marasmius centroamericanus
- Marasmius chiapasensis
- Marasmius chiapensis
- Marasmius chordalis
- Marasmius chrysoblepharis
- Marasmius cibarius
- Marasmius cinereoalbus
- Marasmius cladophyllus
- Marasmius claviformis
- Marasmius clitocybiformis
- Marasmius cocosensis
- Marasmius cohaerens
- Marasmius colimensis
- Marasmius collinus
- Marasmius columbianus
- Marasmius concinnus
- Marasmius confertus
- Marasmius congregatus
- Marasmius coniatus
- Marasmius convoluticeps
- Marasmius coracipes
- Marasmius cornicolor
- Marasmius corrugatiformis
- Marasmius corrugatus
- Marasmius costaricensis
- Marasmius crinis-equi
- Marasmius cryptotrichus
- Marasmius cuatrecasasii
- Marasmius culmisedus
- Marasmius cundinamarcae
- Marasmius cupressiformis
- Marasmius curreyi
- Marasmius cyrillaedis
- Marasmius cystidiosus
- Marasmius dauliporpus
- Marasmius dauloporpus
- Marasmius davidii
- Marasmius decipiens
- Marasmius delectans
- Marasmius delicatus
- Marasmius digilioi
- Marasmius domesticus
- Marasmius dryinus
- Marasmius dysodes
- Marasmius earlei
- Marasmius echinatulus
- Marasmius echinosphaerus
- Marasmius echinulatus
- Marasmius edwallianus
- Marasmius elaeicola
- Marasmius elegans
- Marasmius ellipsoidosporus
- Marasmius elongatipes
- Marasmius englerianus
- Marasmius eorotula
- Marasmius epifagus
- Marasmius epiphylloides
- Marasmius epiphyllus
- Marasmius epodius
- Marasmius equicrinis
- Marasmius eucladopus
- Marasmius excentricus
- Marasmius exustus
- Marasmius felix
- Marasmius ferrugineus
- Marasmius fiardii
- Marasmius filaris
- Marasmius filipes
- Marasmius flabellatus
- Marasmius flammans
- Marasmius flavidulus
- Marasmius flexipes
- Marasmius floriceps
- Marasmius floridanus
- Marasmius friesianus
- Marasmius fuligineorotula
- Marasmius fulviceps
- Marasmius fulvoferrugineus
- Marasmius fusicystis
- Marasmius gardneri
- Marasmius geophyllus
- Marasmius glabellus
- Marasmius gomezii
- Marasmius gordipes
- Marasmius graminicola
- Marasmius graminum
- Marasmius griseofuscescens
- Marasmius griseoroseus
- Marasmius griseoviolaceus
- Marasmius guanacastensis
- Marasmius guatopoensis
- Marasmius guerreroae
- Marasmius guyanensis
- Marasmius guzmanianus
- Marasmius haediniformis
- Marasmius haedinus
- Marasmius haematocephalus
- Marasmius heliomyces
- Marasmius helvoloides
- Marasmius helvolus
- Marasmius hemileucus
- Marasmius hinnuleiformis
- Marasmius hinnuleus
- Marasmius hioramii
- Marasmius hippiochaetes
- Marasmius horridulus
- Marasmius hudsonii
- Marasmius hydropodoides
- Marasmius hylaeae
- Marasmius hylaeicola
- Marasmius hymeniicephalus
- Marasmius hypophaeus
- Marasmius idroboi
- Marasmius iguazuensis
- Marasmius inaequalis
- Marasmius inaquosi
- Marasmius incarnatipallens
- Marasmius insititius
- Marasmius inundabilis
- Marasmius iodactylus
- Marasmius ionides
- Marasmius isabellinus
- Marasmius jalapensis
- Marasmius jamaicensis
- Marasmius janauariensis
- Marasmius juglandis
- Marasmius karlii
- Marasmius laetus
- Marasmius latiusculospermus
- Marasmius leelavathyi
- Marasmius leguminosarum
- Marasmius leighii
- Marasmius leoninus
- Marasmius leptopus
- Marasmius leucophaeus
- Marasmius leucorotalis
- Marasmius leucozonitiformis
- Marasmius leveilleanus
- Marasmius lilacinitinctus
- Marasmius limosus
- Marasmius liquidambari
- Marasmius ludovicianus
- Marasmius maasii
- Marasmius magnificus
- Marasmius magnisetulosus
- Marasmius magnisporus
- Marasmius martellii
- Marasmius maximus
- Marasmius mazatecus
- Marasmius megalospermus
- Marasmius melanopus
- Marasmius mesocephalus
- Marasmius microdendron
- Marasmius microhaedinus
- Marasmius microrotalis
- Marasmius minimus
- Marasmius minusculus
- Marasmius minutissimus
- Marasmius molyoides
- Marasmius montagneanus
- Marasmius montanus
- Marasmius multiceps
- Marasmius multifolius
- Marasmius mundulus
- Marasmius munsae
- Marasmius musicola
- Marasmius musisporus
- Marasmius myocephalus
- Marasmius nanorotalis
- Marasmius napoensis
- Marasmius neglectus
- Marasmius neorotula
- Marasmius neosessilis
- Marasmius neotropicus
- Marasmius nephelogenes
- Marasmius nidulus
- Marasmius nigripes
- Marasmius nigrodiscus
- Marasmius niveicolor
- Marasmius nothomyrciae
- Marasmius nummularius
- Marasmius oaxacanus
- Marasmius obscuratus
- Marasmius obsoletus
- Marasmius occidentalis
- Marasmius ochraceoniger
- Marasmius oleiger
- Marasmius olenas
- Marasmius olidus
- Marasmius oligocystis
- Marasmius olivascenticeps
- Marasmius olneyi
- Marasmius oreades
- Marasmius pallescens
- Marasmius pallidocephalus
- Marasmius pallidocinctus
- Marasmius pallidosepiaceus
- Marasmius pallipes
- Marasmius palmicola
- Marasmius panamensis
- Marasmius pandoanus
- Marasmius paucifolius
- Marasmius peckii
- Marasmius pellucidus
- Marasmius perlongispermus
- Marasmius perrarus
- Marasmius perreductus
- Marasmius personatus
- Marasmius petalinus
- Marasmius phaeocystis
- Marasmius phaeus
- Marasmius phyllophilus
- Marasmius piceina
- Marasmius pichinchensis
- Marasmius pilopus
- Marasmius pithyophilus
- Marasmius platyspermus
- Marasmius pleuracanthus
- Marasmius pleurotelloides
- Marasmius plicatulus
- Marasmius plicatus
- Marasmius plumieri
- Marasmius poculiformis
- Marasmius poecilus
- Marasmius polycladoides
- Marasmius polycystis
- Marasmius polylepidis
- Marasmius polyporoides
- Marasmius polypus
- Marasmius populiformis
- Marasmius poromycenoides
- Marasmius portoricensis
- Marasmius praeandinus
- Marasmius praecox
- Marasmius praegrandispermus
- Marasmius praelongisporus
- Marasmius praetortipes
- Marasmius prasiosmus
- Marasmius proletarius
- Marasmius pruinosifolius
- Marasmius pseudobambusinus
- Marasmius pseudocupressiformis
- Marasmius pseudominutus
- Marasmius pseudoniveus
- Marasmius pulcherripes
- Marasmius purpureostriatus
- Marasmius pusillus
- Marasmius pusio
- Marasmius putredinis
- Marasmius puttemansii
- Marasmius pygmaeus
- Marasmius radiatus
- Marasmius radicellicola
- Marasmius reniformis
- Marasmius resinosus
- Marasmius reticulatus
- Marasmius rhabarbarinus
- Marasmius rhodocephalus
- Marasmius rhyssophyllus
- Marasmius rhyticeps
- Marasmius riparius
- Marasmius rotaliformis
- Marasmius rotalis
- Marasmius rotula
- Marasmius rotuloides
- Marasmius ruber
- Marasmius rubricosus
- Marasmius rubroflavus
- Marasmius rubromarginatus
- Marasmius rubrophyllus
- Marasmius rufoaurantiacus
- Marasmius rufomarginatus
- Marasmius rufopallidus
- Marasmius rufopunctatus
- Marasmius ruforotula
- Marasmius sacchari
- Marasmius saccharinus
- Marasmius salignus
- Marasmius schultesii
- Marasmius schweinfurthianus
- Marasmius scleronematis
- Marasmius scototephrodes
- Marasmius sejunctus
- Marasmius semipellucidus
- Marasmius semisquarrosus
- Marasmius sessiliaffinis
- Marasmius setulosifolius
- Marasmius setulosus
- Marasmius shideiae
- Marasmius siccus
- Marasmius silvicola
- Marasmius soliformis
- Marasmius spegazzinii
- Marasmius spinulifer
- Marasmius spissus
- Marasmius splachnoides
- Marasmius splitgerberi
- Marasmius stenophylloides
- Marasmius straminipes
- Marasmius strictipes
- Marasmius stylobates
- Marasmius subconiatus
- Marasmius subcurreyi
- Marasmius sublividus
- Marasmius submarginatus
- Marasmius submulticeps
- Marasmius subomphalodes
- Marasmius subpilosus
- Marasmius subplexifolius
- Marasmius subrotula
- Marasmius subvenosus
- Marasmius sullivantii
- Marasmius superbus
- Marasmius tageticolor
- Marasmius tasmaniensis
- Marasmius tenebrarum
- Marasmius tenuifolius
- Marasmius tenuissimus
- Marasmius tephromelanus
- Marasmius tephromelomius
- Marasmius teplicensis
- Marasmius terraefirmae
- Marasmius testaceus
- Marasmius thujinus
- Marasmius todeae
- Marasmius tomentosipes
- Marasmius torquescens
- Marasmius tortipes
- Marasmius trichorchizus
- Marasmius trinitatis
- Marasmius truncorum
- Marasmius tubulatus
- Marasmius uliginosus
- Marasmius umbilicatus
- Marasmius variabiliceps
- Marasmius velutipes
- Marasmius venezuelanus
- Marasmius vergeliensis
- Marasmius vialis
- Marasmius viegasii
- Marasmius violaceus
- Marasmius violeorotalis
- Marasmius viticola
- Marasmius washingtonensis
- Marasmius westii
- Marasmius wettsteinii
- Marasmius wilsonii
- Marasmius wynneae
- Marasmius wynnei
- Marasmius xerampelinus
- Marasmius xylodendron
- Marasmius yalae
- Marasmius zenkeri